# -*- coding: utf-8 -*-
# 计算BMI指数

height = input("您的身高(单位m)：")
weight = input("您的体重(单位kg)")

height = float(height)
weight = float(weight)

bmi_index = weight / (height ** 2)

if(bmi_index > 32):
    print("严重肥胖")
elif(bmi_index > 28 and bmi_index <= 32):
    print("肥胖")
elif(bmi_index > 25 and bmi_index <= 28):
    print("过重")
elif(bmi_index > 18.5 and bmi_index <= 25):
    print("正常")
else:
    print("过轻")